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Veseljchak [2.6K]
2 years ago
8

-21+(-59) what is the answer

Mathematics
1 answer:
Lemur [1.5K]2 years ago
4 0

Answer:

-80

Step-by-step explanation:

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Find the differnce of the following sequence: -7, -9 ,-11
Slav-nsk [51]
Add -2 each time
-7+-2=-9
-9+-2=-11
8 0
3 years ago
Sarah sold a total of 178 t shirts and posters at a festival. She sold 46 more tshirts than poster. How many posters did she sel
ycow [4]

Sarah sold 66 posters

<em><u>Solution:</u></em>

Let "a" be the number of shirts sold

Let "b" be the number of posters sold

<em><u>Sarah sold a total of 178 t shirts and posters at a festival</u></em>

Therefore,

number of shirts sold + number of posters sold = 178

a + b = 178 ----------- eqn 1

<em><u>She sold 46 more tshirts than poster</u></em>

Number of shirts sold = 46 + number of posters sold

a = 46 + b --------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

46 + b + b = 178

2b = 178 - 46

2b = 132

b = 66

Thus she sold 66 posters

7 0
3 years ago
Find the missing side lengths. All answers should be in fully simplified form.<br> a=?<br> b?
Alekssandra [29.7K]

Answer:

a=8 b=6

Step-by-step explanation:

Using the Pythagorean theorem, a^2+b^2=c^2, and in this case, a^2+b^2=10^2 = 100

so a^2+b^2=100

8^2+6^2=100

64+36=100 ✔

and since A is longer than B, a=8, b=6

7 0
3 years ago
Read 2 more answers
Please Help ASAP!! Will give BRANLIEST!! f(x)=16 f(4)=3x+5 g(x)=2x^2-4 h(x) = -3x-9
Nata [24]

Answer:

it equals 91

Step-by-step explanation:

which is ur answer and yw :)

7 0
3 years ago
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Natalia is making a pizza. The radius of the pizza is 25 inches. What is
aniked [119]

(b)(b)=25 cm2

b2=25 cm2

√(b2)=√(25 cm2)

b= 5 cm

Please note the square root of 25 was taken, as well as the square root of cm2.

Perimeter=4b

Perimeter=4(5 cm)

Perimeter=20 cm

Step:

A circle of radius = 12.5 or diameter = 25 or circumference = 78.54 cm has an area of: 4.909 × 10-8 square kilometers (km²) 0.04909 square meters (m²)

8 0
3 years ago
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